Boat carabiner



FIG. 1 is a perspective view of my new design for a boat carabiner;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a left side elevation view of FIG. 1;

FIG. 4 is a front elevation view of FIG. 1, it being understood that the rear elevation view is a mirror image thereof;

FIG. 5 is a right side elevation view of FIG. 1; and,

FIG. 6 is a bottom plan view of FIG. 1. 

The ornamental design for a boat carabiner, as shown and described. 